Forces and Motion Quiz

A car is moving at a constant speed. If you were to graph its distance versus time, what would the graph look like?

• A horizontal line

• A vertical line

• A straight line with a positive slope

• A curved line

Tags

NGSS.MS-PS3-1

If a ball is rolling on a flat surface and suddenly stops, what can be inferred about the forces acting on it?

• The forces are balanced

• An unbalanced force acted on it

• No forces acted on it

• Gravity stopped acting on it

Tags

NGSS.MS-PS2-2

A toy car moves 10 meters in 2 seconds. What is its speed?

• 5 m/s

• 10 m/s

• 20 m/s

• 2 m/s

Tags

NGSS.MS-PS3-1

Describe how an unbalanced force can change the motion of an object.

• It can only change the object's speed

• It can only change the object's direction

• It can change both the object's speed and direction

• It cannot change the object's motion

Tags

NGSS.MS-PS2-2

A graph shows a straight line with a slope of zero. What does this indicate about the object's motion?

• The object is accelerating

• The object is moving at a constant speed

• The object is not moving

• The object is decelerating

Tags

NGSS.MS-PS3-1

A student pushes a box across the floor. If the box slows down and stops, what can be concluded about the forces acting on it?

• The forces are balanced

• An unbalanced force is acting against the motion

• No forces are acting on it

• The force of gravity is stronger than the push

Tags

NGSS.MS-PS2-2

If you measure the distance an object travels over time and find it is constant, what can you conclude about the object's speed?

• The speed is increasing

• The speed is decreasing

• The speed is constant

• The object is not moving

Tags

NGSS.MS-PS3-1

A graph of distance versus time for a moving object shows a curve. What does this indicate about the object's motion?

• The object is moving at a constant speed

• The object is accelerating

• The object is decelerating

• The object is not moving

Tags

NGSS.MS-PS3-1

How can you determine if a force acting on an object is unbalanced?

• The object remains at rest

• The object moves at a constant speed

• The object's speed or direction changes

• The object moves in a circle

Tags

NGSS.MS-PS2-2

A car travels 60 km in 1 hour, 120 km in 2 hours, and 180 km in 3 hours. What is the car's speed?

• 60 km/h

• 120 km/h

• 180 km/h

• 240 km/h

Tags

NGSS.MS-PS3-1